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xb 302/351 4v head info 

 

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 Post subject: xb 302/351 4v head info
Posted: Sun Aug 04, 2013 9:42 pm 
Oompa Loompa
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Age: 23

Posts: 22

Joined: 24th Oct 2011

Ride: ford falcon au mkII

Location: ballarat
VIC, Australia

gday iv got an xb ute what im restoring with a 302 clevland and was wondering how big the ports are on 4v heads? can fit 3-4 fingers in the intake ports
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 Post subject: Re: xb 302/351 4v head info
Posted: Mon Aug 05, 2013 10:26 am 
Getting Side Ways
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Age: 49

Posts: 6467

Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

4V heads are a waste of time for a street car......all they are good for is a strip or circuit car.....they are best suited for 4,000 rpm to 7,000 rpm.
2V heads with slight oversize valves work just fine for street/strip applications.....with a good intake and exhaust system.

 

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